github: workflows: Use semver and timestamp suffixes to distinguish branches

[cosmo0920]

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Backporting

• Backport to latest stable release.

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Fluent Bit is licensed under Apache 2.0, by submitting this pull request I understand that this code will be released under the terms of that license.

Summary by CodeRabbit

• Chores
  • Improved automated version update PR creation so each run uses a consistent branch name and avoids branch-name collisions.
  • This helps keep release automation more reliable and reduces the chance of duplicate or conflicting update PRs.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: ddb73431-a6ad-49e9-9f4b-ef1822c1a2b4

📥 Commits

Reviewing files that changed from the base of the PR and between f317143 and 97801f7.

📒 Files selected for processing (1)

• .github/workflows/staging-release.yaml

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📝 Walkthrough

Walkthrough

In the staging-release-create-version-update-pr job, the "Raise FB PR to update version" step now sets a deterministic branch name incorporating the computed patch version and adds branch-suffix: timestamp to ensure uniqueness per workflow run.

Changes

Staging Release Workflow Branch Naming

Layer / File(s)	Summary
create-pull-request branch inputs .github/workflows/staging-release.yaml	Adds branch (with patch version) and branch-suffix: timestamp inputs to the create-pull-request action step, making PR branch names deterministic per version and unique per run.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• fluent/fluent-bit#10712: Modifies the same staging-release-create-version-update-pr job in .github/workflows/staging-release.yaml, adjusting branch/ref logic for version-updating pull requests.

Suggested reviewers

• niedbalski
• celalettin1286
• patrick-stephens

🐇 A branch with a name, timestamped with care,
No more collisions floating in the air.
Patch version baked in, suffix too,
Each workflow run gets something new.
Hop hop hooray for tidy CI queues! 🎉

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title matches the workflow change by describing semver-based branch naming and timestamp suffixes to distinguish branches.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch cosmo0920-use-alternate-branch-strategy

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